python2 to python3 conversion

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I1716d022bb67b1301f771c575842175372b04bef
diff --git a/settings.py b/settings.py
index 9046e32..57053f7 100755
--- a/settings.py
+++ b/settings.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import yaml